169159741 has 8 divisors (see below), whose sum is σ = 179726904. Its totient is φ = 158661120.

The previous prime is 169159709. The next prime is 169159787. The reversal of 169159741 is 147951961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43943641 + 125216100 = 6629^2 + 11190^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 169159741 - 2⁵ = 169159709 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169159141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12000 + ... + 21961.

It is an arithmetic number, because the mean of its divisors is an integer number (22465863).

Almost surely, 2^169159741 is an apocalyptic number.

It is an amenable number.

169159741 is a deficient number, since it is larger than the sum of its proper divisors (10567163).

169159741 is a wasteful number, since it uses less digits than its factorization.

169159741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34271.

The product of its digits is 68040, while the sum is 43.

The square root of 169159741 is about 13006.1424334812. The cubic root of 169159741 is about 553.0516221769.

The spelling of 169159741 in words is "one hundred sixty-nine million, one hundred fifty-nine thousand, seven hundred forty-one".